In 2006, CJSC Elvary Neftegaz deployed a riserless mud-recovery (RMR) system off Sakhalin Island. An RMR system enables dual-gradient subsea drilling operations to take place with the well open at the ...

Scientists have engineered an ultra-deepwater drilling technology for use by drilling vessels in scientific research. Originally developed for shallow-water oil and gas exploration, the "riserless mud ...

If there was ever a throwback trend in the drilling industry, Reelwell's riserless drilling method might be the key that opened the floodgates. The RDM-Riserless, as its name implies, drills without a ...

For several years, the offshore drilling fraternity has been striving towards the goal of "riserless" drilling for operations in very deep water. The promise of this technique perhaps less confusingly ...

In 2006, Russia’s CJSC Elvary Neftegaz, a joint venture between OAO Rosneft and BP Exploration Operating Co. Ltd., drilled the top hole sections of two wells off Sakhalin Island using a riserless ...

AGR Drilling Services, together with their Joint Industry Project partners Shell, BP and the Norwegian Research Council, have undertaken a successful field trial of the Deepwater Riserless Mud ...

Oilfield services provider Expro (NYSE:XPRO) announced better-than-expected revenue in Q1 CY2026, but sales fell by 6% year on year to $367.6 million. Its non-GAAP profit of $0.09 per share was 27.5% ...

The deep-sea drilling vessel CHIKYU, for the first time in the history of scientific ocean drilling, conducted riser-drilling operations to drill successfully down to a depth of 1,603.7 meters beneath ...

Washington, DC—The Integrated Ocean Drilling Program (IODP), in collaboration with industry partner AGR Drilling Services, has engineered an ultra-deepwater drilling technology for use by IODP ...

July 30, 2009—Kumano Basin off Kii Peninsula, approximately 58 km southeast of Japan— Despite harsh weather and ocean conditions, and complex geological characteristics of its drill site, the deep-sea ...